Inchelium ZIP Code List — Ferry County, WA

There is one unique ZIP code in Inchelium, Washington and it is 99138. Area code: 509.

ZIP codes

566.56

sq mi land

31.18

sq mi water

509

area code

Inchelium, WA ZIP code map

About Inchelium, WA

Inchelium is a small, unincorporated community located in Ferry County, Washington. Known for its picturesque landscapes and rural charm, Inchelium holds a unique place in the heart of the Pacific Northwest. The community offers a serene environment, attracting those looking to escape the hustle and bustle of urban life.

Location & geography

Inchelium is nestled on the banks of the Columbia River, with its expansive land area measuring 566.56 square miles and a water area of 31.18 square miles. This community is situated about 20 miles west of the nearest larger town, Keller, and approximately 40 miles south of Republic. The area is characterized by rolling hills, forests, and scenic waterfronts, making it a beautiful location for outdoor enthusiasts.

Community & economy

The character of Inchelium is shaped by its close-knit community, where residents value their privacy and natural surroundings. Local industries primarily revolve around agriculture, forestry, and tourism, with many residents participating in seasonal activities such as fishing and hunting. Daily life in Inchelium is peaceful, with a focus on community events and engagement with the rich natural resources surrounding the area.

Transportation

Transportation to and from Inchelium is facilitated by Highway 21, which connects the community to other parts of Ferry County and beyond. Residents and visitors typically rely on personal vehicles, as public transit options are limited in this rural area. The nearest major airport is in Spokane, located roughly 100 miles to the southeast.

History

Inchelium has a rich history that is tied closely to the Native American tribes that originally inhabited the region. Over the years, it has developed mainly as an agricultural and forestry area, with key industries centered around these sectors. The community has hosted various cultural events, showcasing its heritage and fostering a sense of local pride.

Did you know?

A little-known fact about Inchelium is that it is home to the Inchelium School, which serves as an important educational institution for the children in the area. Additionally, the surrounding natural beauty provides ample opportunities for outdoor activities such as hiking, fishing, and camping.

ZIP codes for Inchelium, WA (1)

ZIP code	City	County	Map
99138	Inchelium	Ferry	View map

Demographics & statistics

1,103

Population

42.1

Median age

$40,583

Median household income

$23,436

Per capita income

$187,000

Median home value

$504

Median monthly rent

60.9%

Home ownership

24.2%

Poverty rate

14.5%

Unemployment

503

Housing units

15.7%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	269	24.4%
18 and over	834	75.6%
65 and over	236	21.4%
Median age	42.1 years

Race & ethnicity

American Indian / Alaska Native 58.2%

White 28.8%

Two or more races 10.5%

Native Hawaiian / Pacific Islander 1.3%

Hispanic or Latino 0.6%

Black or African American 0.4%

Other race 0.2%

Group	Count	%
American Indian / Alaska Native	646	58.2%
White	320	28.8%
Two or more races	117	10.5%
Native Hawaiian / Pacific Islander	14	1.3%
Hispanic or Latino	7	0.6%
Black or African American	4	0.4%
Other race	2	0.2%

Household income

Under $10k 9.8%

$10k–$15k 12.9%

$15k–$25k 11.8%

$25k–$35k 8.2%

$35k–$50k 13.9%

$50k–$75k 17.3%

$75k–$100k 9.1%

$100k–$150k 12.9%

$150k–$200k 4.1%

Range	% of households
Under $10k	9.8%
$10k–$15k	12.9%
$15k–$25k	11.8%
$25k–$35k	8.2%
$35k–$50k	13.9%
$50k–$75k	17.3%
$75k–$100k	9.1%
$100k–$150k	12.9%
$150k–$200k	4.1%
Median income	$40,583

Housing

Home values

Under $50k 12.2%

$50k–$100k 11.8%

$100k–$150k 18.1%

$150k–$200k 13.0%

$200k–$300k 21.7%

$300k–$500k 19.3%

$500k–$1M 3.9%

Housing overview

Metric	Value
Median home value	$187,000
Median rent / month	$504
Owner occupied	60.9%
Renter occupied	39.1%
Vacant	37.4%
Single-family detached	67.3%
Large apartment buildings	0.0%
Mobile homes	27.6%
Median rooms	4.9
Avg household size (owned)	2.69

Year built

Era	%
2020 or later	0.0%
2010–2019	3.2%
2000–2009	11.7%
1990–1999	15.6%
1980–1989	16.4%
1970–1979	32.4%
1960–1969	6.9%
1950–1959	6.8%
1940–1949	3.3%
1939 or earlier	3.8%

Bedrooms

Size	% of units
No bedroom (studio)	1.5%
1 bedroom	10.5%
2 bedrooms	32.0%
3 bedrooms	35.0%
4 bedrooms	15.8%
5+ bedrooms	5.3%

Vehicles per household

Vehicles	% of households
No vehicle	5.8%
1 vehicle	30.2%
2 vehicles	21.6%
3 or more	42.4%

Heating fuel

Fuel type	%
Electricity	29.0%
Propane / LP gas	5.0%
Fuel oil	0.7%
Wood	62.4%
No fuel used	1.0%

Households & families

Household type	Count	%
Married-couple family	154	36.9%
Cohabiting couple	48	11.5%
Male householder, no spouse	105	25.2%
Female householder, no spouse	110	26.4%
Households with children under 18	146	35.0%
Households with seniors (65+)	147	35.3%
Average household size	2.64

Marital status

Status	Male	Female
Never married	37.5%	43.0%
Married	46.4%	35.0%
Separated	0.0%	1.9%
Widowed	2.3%	5.6%
Divorced	13.8%	14.5%

Education

Less than 9th grade 4.0%

Some HS, no diploma 5.9%

HS graduate 31.5%

Some college, no degree 31.1%

Associate's degree 11.8%

Bachelor's degree 9.7%

Graduate / professional 6.0%

Metric	%
HS diploma or higher	90.2%
Bachelor's or higher	15.7%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	40	16.9%
Kindergarten	12	5.1%
Elementary school	110	46.4%
High school	75	31.6%
College / grad school	0	0.0%

Employment

Industry of employment

Public administration 26.4%

Education & healthcare 25.1%

Agriculture & mining 12.5%

Professional & management 9.9%

Construction 7.6%

Transportation & utilities 6.3%

Retail trade 6.0%

Arts, food & hospitality 2.6%

Finance & real estate 2.1%

Manufacturing 0.8%

Other services 0.8%

Occupation

Category	%
Management, business & arts	39.2%
Service	22.2%
Sales & office	15.1%
Natural resources & construction	9.7%
Production & transportation	13.8%

Employment type

Type	%
Private sector	26.4%
Government	69.2%
Self-employed	4.4%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	77.5%
Carpool	11.0%
Public transit	0.0%
Walk	3.4%
Other means	0.0%
Avg commute (minutes)	27.7

Poverty

All people 24.2%

Under 18 years 29.1%

18 and over 22.7%

Married-couple families 11.7%

Female-led households 39.7%

Income support

Source	% of households
Social Security	33.8%
Retirement income	22.3%
Supplemental Security	5.8%
Cash public assistance	5.0%
Food stamps / SNAP	30.0%

Health indicators

Condition	%
High blood pressure	36.8%
High cholesterol	31.9%
Heart disease	9.4%
Stroke	5.3%
Asthma	14.1%
Arthritis	29.5%
Kidney disease	4.2%
Pulmonary disease	10.3%
Cancer	6.9%

Behavior / access	%
Binge drinking	16.2%
No physical activity	26.7%
Less than 7 hrs sleep	39.2%
Fair or poor health	23.9%
Poor mental health	19.4%
Poor physical health	17.1%
No health insurance	13.4%
Visited doctor (checkup)	70.4%
Visited dentist	50.7%
Cholesterol screening	86.3%
Teeth loss	22.9%

Veterans & disability

Veterans	Count	%
Civilian veterans	98	11.8%

Disability	%
Any disability	17.9%
Under 18	4.8%
18–64 years	12.5%
65 and over	46.2%

Health insurance coverage

Type	%
Private insurance	46.2%
Public insurance	57.1%
Uninsured under 19	11.8%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,032	93.6%
Spanish	6	0.6%
Other Indo-European	0	0.0%
Asian & Pacific Islander	2	0.2%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	1,083	98.2%
Born in same state	1,079	97.8%
Born in different state	830	75.2%
Foreign born	4	0.4%
Naturalized citizen	20	1.8%
Not a US citizen	14	70.0%

Ancestry

Ancestry	Count	%
Italian	97	8.8%
French	49	4.4%
Polish	30	2.7%

Ancestry	Count	%
Arab	11	1%
English	6	0.5%
Dutch	3	0.3%

Technology access

Metric	% of households
Computer access	37.8%
Internet access	77.5%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions

What is the ZIP code for Inchelium, WA?

Inchelium, WA has one ZIP code: 99138.

What is the main ZIP code for Inchelium, WA?

The primary ZIP code for Inchelium, WA is 99138. The city uses area code 509 for phone service.

What county is Inchelium, WA in?

Inchelium is located in Ferry County, Washington.

How many ZIP codes are in Inchelium, WA?

Inchelium, WA has 1 ZIP code.

What is the ZIP code for Inchelium's downtown area and tribal government center?

The Inchelium downtown area and the Colville Confederated Tribes government offices are located in ZIP code 99138, which serves as the primary ZIP code for this community in Ferry County.

What ZIP code should I use when mailing packages to businesses in Inchelium, WA?

All businesses and residential addresses in Inchelium use ZIP code 99138, as it is the only ZIP code serving this small community on the Colville Indian Reservation.